After using upto 3 month's I can say this is a good product but not so cool.
Build quality-
Buid quality is very important to know this time because it's use in our body.After using it I can say the band quality is very good.My sceen is very sensitive so the quality of band was not effect in my sceen.so I can say that it's is very good quality.
Value of money-
The price of the band is very cheap.Anyone can effort this band.I got it at Rs-799.very cool.
Run tracking-
After using a lot of time I say that this band is not track running level properly.
sleep tracking-
This device is successfully track your sleeping leaves very well.It can track deep sleep, lite sleep etc.
Other features-
you can set alarm via you mobile phone by this device.
You get call alerts through device.
battery life-
after changing one time you can use this band upto 30 days.
I can say that if you look for a fitness band under Rs.1000, it is best.